DeepAmbigQA: Ambiguous Multi-hop Questions for Benchmarking LLM Answer Completeness

Apple Machine LearningAugust 6, 2026en

Apple Machine Learning

AI Global Wire

Large language models (LLMs) with integrated search tools show strong promise in open-domain question answering (QA), yet they often struggle to produce complete answer set to complex questions such as “Which actor from the film Heat won at least one Academy Award?”, which requires (1) distinguishing between multiple films sharing the same title and (2) reasoning across a large set of actors to gather and integrate evidence. Existing QA benchmarks rarely evaluate both challenges jointly. To address this, we introduce DEEPAMBIGQAGEN, an automatic data generation pipeline that constructs QA…

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